#!/usr/bin/env python
# encoding: utf-8
# @Time    : 2019/10/12 10:55
# @Author  : ZRD
# @Site    : 
# @File    : instance.py
# @Software: PyCharm
from multiprocessing import Queue


class Sig:
    _instance = None
    Q = _instance if _instance else Queue()



s1 = Sig()
s2 = Sig()
if __name__ == '__main__':
    print(s1)
    s1.Q.put(11111)
    print(s2)
    print(s2.Q.get())

